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Title: Monitoring of snow surface temperature in North-West Himalaya using passive microwave satellite data
Authors: Singh, K K
DewaIi, S K
Singh, Dhiraj Kumar
Mishra, V D
Kaur, Manjinder
Keywords: Himalaya;Snow surface temperature
Issue Date: Mar-2016
Publisher: NISCAIR-CSIR, India
PACS No.: 92.40.ed; 92.40.vw; 92.60.hv
Abstract: Snow surface temperature (SST) is an important snow parameter, which affects the energy balance of the region and thus, acts as an indicator of climate change. In Himalaya, due to ruggedness and inaccessibility of its terrain, it is very difficult to collect the SST data using conventional measurement techniques. Remote sensing based satellite data has the potential and is used widely to estimate SST. In the present study, passive microwave satellite data of Special Sensor Microwave Imager (SSM/I) sensor has been used for monitoring the SST at different locations in North-West (NW) Himalaya. A 85 GHz frequency channel, which provides only the near surface information because of its less penetration power in comparison to other available frequencies of the sensor, is observed best for SST monitoring. The monthly and seasonal average SST values are estimated for the period 1988-2012. The temporal variation of SST values in Pir-Panjal, Great Himalaya and Karakoram Himalayan ranges are analyzed for the period 1988-2012. The geospatial maps of SST are drawn to represent the monthly and seasonal trend of SST values spatially.
Page(s): 20-29
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.45(1) [March 2016]

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